KP has been indexed and abstracting by SINTA-3; GARUDA; Google Scholar; ResearchBib; DOAJ; DimensionsCrossref; Universiteit Leiden Catalogue; Sudoc; OpenAlex; HarvardLibrary (HOLLIS); ISSN CETAK, ISSN Online (ROAD), ExLibris Part of Clarivate; and ZDB Zeitschriften Datenbank.